Agate crystal mineral polished plate slice gemstone

A collection of 27 different naturally formed gemstones, formed minerals, crystals, and agate slices.

A large pink agate crystal slice, polished on both faces; colour-enhanced. 484 grams, 23.5 cm (9 1/4 in.). From Antigas, Uraguay.Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [No R

A group of six cut and polished agate geode slices; colour-enhanced. 322 grams total, 8.8-10.7 cm (3 1/2 - 4 1/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [6, No Reserve]

A group of six polished agate geode slices; colour-enhanced. 396 grams total, 8.7-11.8 cm (3 3/8 - 4 5/8 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [6, No Reserve]

Group of natural seashells and a group of polished gemstone specimens. 1,317 cts of minerals , including amethyst crystal, tigers eye, green Quartz, malachite, agate, Jasper, more. Orange Jasper measu

Lot of mineral and crystal specimens, including Calcite, Amethyst, Labradorite, Kyanite, Aquamarine, Chrysocolla, 2 polished Agate slices, Septarian geode; with a petrified wood specimen. Aquamarine 4

. With enhanced pink-colour and also showing translucent to opaque quartz crystals. 539 grams, 23.2 cm (9 1/8 in.). Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [No Reserve]

collection of geodes, polished agate, rock and mineral specimens including amethyst crystals, polished gemstones and cabochons, etc.

A group of over seventy cut and polished agate slices of various colours, some displaying crystals to the exposed inner surfaces. 705 grams total, 39-80 mm (1 1/2 - 3 1/8 in.) From Brazil. Mineral Imp

A group of three thick, cut and polished agate slices showing bands of colour, two with cavities displaying crystal growth. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.230-231. 770 grams

DESCRIPTION: (2 Pc) Pair of polished flat agate gemstone slices with round and oval shapes, and dyed in a blue hued colored palette.CIRCA: 20th CenturyDIMENSIONS: W: 5 1/2"; and W: 6 1/4"CONDITION: On

Title: Natural grape agate chalcedony crystal mineral samples 48g x090 Gemstones: Agate Carat Weights: 240 Carats Dimensions: 54 x 45 x 27 MM Reserve: $20.00 Shipping: Domestic: Flat-rate of $10.00 to

Collection mineral specimens, incl geodes & slices, (23) pieces, incl. geode spheres with minerals partially exposed, polished agate slices, fragmented pieces of agatized coral, Fushchite, Rhodochrosi

A cut and polished agate slice displaying crystals to the exposed inner surfaces; a naturally-occurring smiling face formed in the polished surface composed of two large circular eyes and a crescent-s

A cut and polished agate slice displaying crystals to the exposed inner surfaces; a naturally-occurring smiling face formed in the polished surface composed of two large circular eyes and a crescent-s

Large, thick, polished agate slice. 8.25" x 10" x 1". 4.12 pounds.

Polished agate slice on wood stand. 9" x 7.75" x 2". 2.2 pounds.

Agate with Polished Ends Brazil

Lot of 10 pieces of assorted crystal and mineral specimens. Includes a pair of standing agate slices, three smaller agate sliced with stands, a large 8" x 7" x 1.75" agate slice with stand, a large 9"

A gemstone tree consisting of a brass trunk and branches tipped with polished green agate mineral specimens, mounted on a section of amethyst geode. 640 grams, 15 cm high (6 in.) Mineral Imports, Lond

Hand cut naturally occurring OOAK ( One of A kind ) green banded agate crystal desk table geode mineral semi precious hardstone bookends, Both with A smooth high mirror polished finish. measured 6 3/8

Hand cut naturally occurring agate crystal desk table geode mineral semi precious hardstone bookends, Both with A smooth high mirror polished finish. measured 6 1/2" x 3 3/8" - 4 1/2". No apparent mar

Natural mineral crystal cut and polished geodes. Each with it's unique OOAK coloration and design patterns and distinctive shape. No apparent markings. Dimensions: 6 X 4.5 X 3.5 in. Condition: Go

A cut and polished agate geode with enhanced purple banding, the internal cavity filled with clusters of small quartz crystals. 531 grams, 11.8cm (4 1/2"). From the historic ‘Victorian Museum’ or